619916 has 24 divisors (see below), whose sum is σ = 1205904. Its totient is φ = 276480.

The previous prime is 619909. The next prime is 619921.

It is a happy number.

619916 is nontrivially palindromic in base 10.

619916 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

619916 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3116 + ... + 3308.

It is an arithmetic number, because the mean of its divisors is an integer number (50246).

2⁶¹⁹⁹¹⁶ is an apocalyptic number.

It is an amenable number.

619916 is a deficient number, since it is larger than the sum of its proper divisors (585988).

619916 is a wasteful number, since it uses less digits than its factorization.

619916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281 (or 279 counting only the distinct ones).

The product of its digits is 2916, while the sum is 32.

The square root of 619916 is about 787.3474455410. The cubic root of 619916 is about 85.2663387471.

The spelling of 619916 in words is "six hundred nineteen thousand, nine hundred sixteen".